Long-lasting anti-corrosion of superhydrophobic coating by synergistic modification of graphene oxide with polydopamine and cerium oxide

Xie, Chan; Zhang, Peng; Xue, Mingshan; Yin, Zuozhu; Luo, Yidan; Hong, Zhen; Li, Wuyang; Zhang, Zhonghao

doi:10.1016/j.conbuildmat.2024.135283

Cited by 8 publications

(3 citation statements)

References 41 publications

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“…With the advantages of convenience, low cost, and higher efficiency, spraying technology as the applicable candidate can be employed to construct functional coatings on the surfaces of different materials, which will be ideally suitable for the implementation process of superhydrophobic coatings. Similarly, graphene can also be employed to assist in the construction of superhydrophobic coatings via the spraying strategy to alleviate corrosion issues for metallic materials. , In our preceding work, durable, superhydrophobic, graphene-based coatings have been prepared that can be utilized on different metallic plinths via a simple spraying method . The results have demonstrated that the WCA and WSA values can reach 159.2 and 4°, indicating excellent water-proofing and self-cleaning properties.…”

Section: Introductionmentioning

confidence: 99%

One-Step Spraying Strategy for Fabricating Bioinspired, Graphene-Based, and Multifunctional-Integrated Coatings on Structural Steel with Good Water Repellency, Fireproofing, Anticorrosion, and Durability

Tang,

Gao,

et al. 2024

Langmuir

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Traditionally, many coatings were merely concentrated on settling the inherent fire protection problem of steel structures, while surface contamination and corrosion susceptibility should also be considered. Concurrently addressing these problems in fireproof efficiency and surface multifunctionality has become an issue of great significance in further expanding the application value in industrial and daily scenarios. Based on this condition, ecofriendly, graphene-based, and superhydrophobic coatings with multifunctional integration were constructed on steel via a one-step spraying method. The as-prepared coatings mainly consist of epoxy resin (EP), silicone resin (SR), a cyclodextrin-based flame retardant (MCDPM), expandable graphite (EG), and multilayered graphene (MG). The results demonstrate that the water contact angle (WCA) and water sliding angle (WSA) of asprepared coatings can reach 156.8 ± 1.6 and 5.8 ± 0.7°, respectively, revealing good water repellency and self-cleaning properties. The coatings can also exhibit adequate adaptability for various substrates including wood, polyurethane foam, and cotton fabrics. Besides, good durability and robustness of coatings have been also verified via acid/alkali immersion, outdoor exposure, O 2 /plasma etching, and linear abrasion tests. Simultaneously, the coatings can exhibit excellent anticorrosion capacity for steel materials via a double barrier effect. Most importantly, the coatings have exhibited the lowest backside temperature (234.5 °C) during fire impact tests, suggesting excellent fireproof and heat insulation performance. This fact can be ascribed to the conjunct action between the physical/chemical charring process of flame retardants and the remarkable thermal stability of graphene. Consequently, this article can be expected to further promote the development and application of multifunctional-integrated coatings for steel structures in more fields.

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Section: Introductionmentioning

confidence: 99%

One-Step Spraying Strategy for Fabricating Bioinspired, Graphene-Based, and Multifunctional-Integrated Coatings on Structural Steel with Good Water Repellency, Fireproofing, Anticorrosion, and Durability

Tang,

Gao,

et al. 2024

Langmuir

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“…3,4 Metal corrosion can be inhibited to some extent via various technologies, mainly including corrosion inhibitors, 5 electrochemical protection, 6 and anticorrosion coating. 7 Among these methods, the use of corrosion inhibitors offers unique advantages, such as simple equipment, convenient operation, and strong adaptability. Hence, the development of corrosion inhibitors with enhanced efficiency has consistently remained fascinating.…”

Section: ■ Introductionmentioning

confidence: 99%

“…Low-cost mild steel (MS) with high mechanical strength is extensively utilized across various industries, particularly in petroleum engineering, , but the frequent operations of acidification and acid fracturing for enhancing oil recovery lead to serious corrosion to MS, resulting in substantial economic loss and a safety hazard. , Metal corrosion can be inhibited to some extent via various technologies, mainly including corrosion inhibitors, electrochemical protection, and anticorrosion coating . Among these methods, the use of corrosion inhibitors offers unique advantages, such as simple equipment, convenient operation, and strong adaptability.…”

Section: Introductionmentioning

confidence: 99%

Amphiphilic Janus Graphene Oxide Acts as a Corrosion Inhibitor to Mitigate the Corrosion Caused by a 1 M HCl Solution on Mild Steel

Wang,

Shen,

Wang

et al. 2024

Langmuir

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Great aqueous dispersibility, a large specific surface area, and high impermeability make graphene oxide (GO) the ideal candidate for a high-performance corrosion inhibitor. Numerous symmetrical modification methods have been reported to enhance the adsorption of GO on metal surfaces in various corrosive media. This work aims to investigate the enhancement and mechanism of unilateral hydrophobic modification on the corrosion inhibition performance of GO. In this study, amphiphilic Janus GO (JGO) was prepared by grafting hydrophobic alkyl chains on one side of GO, and its anticorrosion performance was evaluated via weight loss experiments and electrochemical tests. The results revealed that the corrosion inhibition efficiency for Q235 mild steel (MS) in a 1 M HCl aqueous solution of 25 ppm JGO (81.08%) was much higher than that of GO at the same concentration (22.12%). Furthermore, the Langmuir adsorption isotherm and computational study demonstrated that the synergistic effect of physical adsorption and chemical adsorption promoted the hydrophilic side of JGO close to the surface of the metal, and the dense protective layer was formed by the hydrophobic chains toward the corrosive medium, which effectively hindered the corrosion of MS by the acidic liquid. This study emphasizes the significant role of asymmetrically modified hydrophobic alkyl chains in improving the corrosion prevention performance of GO and provides a perspective for the structural design of GO-based corrosion inhibitors.

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High-efficiency dual protection of photoelectrochemical cathodic protection coating with In2O3/C3N4/CNT nanocomposites for 304 stainless steel in marine environment

Zhang,

Li,

Wang

et al. 2024

Construction and Building Materials

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Long-lasting anti-corrosion of superhydrophobic coating by synergistic modification of graphene oxide with polydopamine and cerium oxide

Cited by 8 publications

References 41 publications

One-Step Spraying Strategy for Fabricating Bioinspired, Graphene-Based, and Multifunctional-Integrated Coatings on Structural Steel with Good Water Repellency, Fireproofing, Anticorrosion, and Durability

One-Step Spraying Strategy for Fabricating Bioinspired, Graphene-Based, and Multifunctional-Integrated Coatings on Structural Steel with Good Water Repellency, Fireproofing, Anticorrosion, and Durability

Amphiphilic Janus Graphene Oxide Acts as a Corrosion Inhibitor to Mitigate the Corrosion Caused by a 1 M HCl Solution on Mild Steel

High-efficiency dual protection of photoelectrochemical cathodic protection coating with In2O3/C3N4/CNT nanocomposites for 304 stainless steel in marine environment

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